Bumper cover of a truck vehicle



FIG. 1 is a left, front perspective view of a bumper cover of a truck vehicle showing our new design;

FIG. 2 is a front view thereof, it may be understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for a bumper cover of a truck vehicle, as shown and described. 